Despite mobile commerce’s ongoing growth, desktop sales hit a milestone on Cyber Monday.

Desktop online spending reached $3.36 billion on Cyber Monday, up 26% versus year ago. This represents the heaviest online spending day in history, and the first day to ever surpass $3 billion in desktop sales, according to comScore.

Thanksgiving weekend as a whole proved to be strong for desktop sales. It marked the third straight year in which both Saturday and Sunday individually had billion-dollar online shopping days, combining for $2.92 billion for a year-over-year increase of 17%. For the five-day period from Thanksgiving through Cyber Monday, online buying from desktop computers totaled $10.21 billion, up 21% versus last year, the data revealed.

“Cyber Monday once again ranked as the heaviest online spending day of all-time and became the first day to ever exceed $3 billion in sales from desktop computers,”…